package api;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * @author: 成金乘
 * @date: 2023/5/18 15:34
 * @description:
 */
@WebServlet("/logout")
public class LogOutServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        HttpSession session = req.getSession(false);
        if (session == null){
            resp.setContentType("text/html;charset=utf8");
            resp.getWriter().write("用户未登录");
            return;
        }
        session.removeAttribute("user");
        resp.sendRedirect("login.html");
    }
}
